... and decoloring, fluoride, aluminum, chromium, phenol, except the oil, turbidity removal, in addition to heavy metal salt, except ... water purification, sewage. 2).Purification industrial water, industrial waste, mining, oil field back to water injection, purify the paper, ... cosmetics and other industry, wastewater recycling. 4).In the oil refining industry, used for water-oil separation, the effect is ...